WowAce

In-game theorycraft. Calculates actual damage/healing based on gear, talents and buffs.

A library to help with localization of the output of UnitCreatureType.

Simple and super light-weight tracking of profession links for all your alts.

Dog-themed unit frames. Woof. Arf. Yip.

Core module for Loot and Looting-related UI improvements

Changes the look of the default UI

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

Automatically turns on the combat log for selected instances

The original HandyNotes source for where things are in Battle for Azeroth

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Provides one or many frames for dumping text into.

Inventory Management with virtual bags divided into sections.

A library to help with localization of in-game subzone names.

Officially the original source of knowledge of where things are in Draenor during Warlords, in HandyNotes

Addon to manipulate the map

A library to help with localization of races.

Simple Map Mod

Estimated range display. Type /rangedisplay for config

Arena unit frames

A library to help with localization of bosses.